You need to specify:

Type of battle: eg, 1-1 sig battle, open banner battle, etc.
Theme: eg anime
Restrictions: eg no render
Animation: yes/no
Size limit: eg 400x200
Win/Rape: eg 7/5 (the first number indicates votes needed to win, second number indicates the number of votes in a row for an automatic win)
Due date: eg 2 days

Battles will be voted by members who must give a valid reason for their vote.
please, none of the following:

'omg ***** gmv, his sig roxors!!!'